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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Effect of consanguinity on birth weight for gestational age in a developing country
American Journal of Epidemiology, Volume 165, No. 7, Year 2007
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Description
Consanguinity, the marriage between relatives, has been associated with adverse child health outcomes because it increases homozygosity of recessive alleles. The objective of this study was to assess the effect of consanguinity on the birth weight of newborns in Greater Beirut, Lebanon. Cross-sectional data were collected on 10,289 consecutive liveborn singleton newborns admitted to eight hospitals belonging to the National Collaborative Perinatal Neonatal Network during the years 2000 and 2001. Birth weight was modeled by use of the fetal growth ratio, defined as the ratio of the observed birth weight to the median birth weight for gestational age. A mixed-effect multiple linear regression model was used to predict the net effect of first- and second-cousin marriage on the birth weight for gestational age, accounting for within-hospital clustering of data. After controlling for medical and sociodemographic covariates, the authors found a statistically significant negative association between consanguinity and birth weight at each gestational age. No significant difference was observed in the decrease in birth weight between the first- and second-cousin marriages. Overall, consanguinity was associated with a decrease in birth weight for gestational age by 1.8% (ß = -0.018, 95% confidence interval: -0.027, -0.008). The largest effects on fetal growth were seen with lower parity and smoking during pregnancy. Copyright © 2007 by the Johns Hopkins Bloomberg School of Public Health All rights reserved.
Authors & Co-Authors
Mumtaz, Ghina R.
Lebanon, Beirut
American University of Beirut Medical Center
Tamim, Hala M.
Canada, Toronto
York University
Kanaan, Mona N.
Lebanon, Beirut
American University of Beirut
Khawaja, Marwan K.
Lebanon, Beirut
American University of Beirut
Khogali, Mustafa
Lebanon, Beirut
American University of Beirut Medical Center
Wakim, G.
Lebanon, Beirut
Lebanese American University Medical Center-rizk Hospital
Yunis, Khalid A.
Lebanon, Beirut
American University of Beirut Medical Center
Lebanon, Beirut
American University of Beirut
Statistics
Citations: 57
Authors: 7
Affiliations: 4
Identifiers
Doi:
10.1093/aje/kwk108
ISSN:
00029262
e-ISSN:
14766256
Research Areas
Health System And Policy
Maternal And Child Health
Sexual And Reproductive Health
Study Design
Cross Sectional Study